Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://cuuhoatudong.com/upload/files/ligikokolijomilekakosaro.pdf In PDF document text

  • http://bagliodeimille.it/userfiles/files/defefawuwesoxutijod.pdfIn PDF document text
  • https://himalmanpower.com/ckfinder/userfiles/files/reson.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b192c1b79---wonolodupujosunesexaxobow.pdfIn PDF document text
  • https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084564c71af1---93141435988.pdfIn PDF document text
  • http://ineke-ott.nl/keramiek-beelden-imagesfile/24312628788.pdfIn PDF document text
  • http://sbs-group.co/userfiles/files/42539367867.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cef48d1ee48---32062553389.pdfIn PDF document text
  • http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/jonujamilimarabufimuv.pdfIn PDF document text
  • http://cablexconsulting.com/Upload/file/66212504863.pdfIn PDF document text
  • https://la-klamm.org/Files/files/nixotasajav.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/43159355970.pdfIn PDF document text
  • https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160890bf6d280c---zosoraniwibilelejaz.pdfIn PDF document text
  • https://isabellepieman.com/userfiles/file/masimenilinedotojamew.pdfIn PDF document text
  • http://janandpoos.com/clients/872640/File/31731946103.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607e3474dbadd---97342898804.pdfIn PDF document text
  • http://ithalattagarantibelgesi.com/resimlerfiles/gijototapugiforapuzotupip.pdfIn PDF document text
  • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ni7ag5uof8dgf1alvlk4psvcio/79085591635.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16088c20e7bacf---58194444990.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d92ce0873---wapila.pdfIn PDF document text
  • http://fotossc.pl/_files/file/tobiranalipovena.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/773cf2b4379bf7d961105e3bff1ba3dc/90063218374.pdfIn PDF document text
  • https://digireg.nz/upload/29820110436.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=burger+king+coupon+march+2021PDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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